Two 18-year-old men also were stabbed in the chest and a 17-year-old boy in the shoulder, police said. They were in stable condition at a local hospital on Sunday morning.
Identities of the victims were not released. No arrests have been made and the investigation was continuing, police said.
The attacks occurred at an apartment complex and WCBS 880 Radio in New York reported that a party was going on there at the time.